This is an eco product. Learn about our sustainability mission here . Do not be afraid to hop in a puddle or two with the waterproof sensibilities of the Rayne boot. The thick rubber sole and bottom panel keep your toes dry. Padded collar and lace-up front. Upper: Merino wool and GRS Certified Recycled Leather Insock: Ortholite Hybrid (recycled rubber, production waste foam) Outsole: GRS Certified 100% Recycled Rubber Zero Drop